<*n style="font-family:宋体; font-size:21px">1. <*n style="font-family:宋体; font-size:21px"><*n style="font-family:宋体">产品介绍

<*n style="font-family:宋体; font-size:19px">1.1 <*n style="font-family:宋体; font-size:19px"><*n style="font-family:宋体">产品概述

<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">该温湿度看板电路采用美国进口工业级微处理器芯片、进口精度较高传感器，确保产品的可靠性、精度较高和互换性。本产品采用铝合金边框，亚克力面板，外观美观大方。输出信号类型为<*n style="font-family:宋体; font-size:14px">RS485<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">，远可通信<*n style="font-family:宋体; font-size:14px"> 2000 <*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">米，标准的<*n style="font-family:宋体; font-size:14px"> modbus <*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">协议，支持二次开发。

<*n style="font-family:宋体; font-size:19px">1.2 <*n style="font-family:宋体; font-size:19px"><*n style="font-family:宋体">主要技术指标

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<*n style="font-family:宋体; font-size:19px">1.3 <*n style="font-family:宋体; font-size:19px"><*n style="font-family:宋体">产品选型

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<*n style="font-family:宋体; font-size:19px">1.4<*n style="font-family:宋体; font-size:19px"><*n style="font-family:宋体">系统框架图

<*n style="font-family:宋体; font-size:14px"> <*n style="font-family:宋体; font-size:21px"> 

<*n style="font-family:宋体; font-size:21px">2<*n style="font-family:"Times New Roman"; font-size:21px">.<*n style="font-family:宋体; font-size:21px"> <*n style="font-family:宋体; font-size:21px"><*n style="font-family:宋体">设备尺寸图

<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">外形尺寸：

<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">

<*n style="font-family:宋体; font-size:21px">3<*n style="font-family:"Times New Roman"; font-size:21px">.<*n style="font-family:宋体; font-size:21px"> <*n style="font-family:宋体; font-size:21px"><*n style="font-family:宋体">设备安装说明

<*n style="font-family:宋体; font-size:19px">3.1 <*n style="font-family:宋体; font-size:19px"><*n style="font-family:宋体">设备安装前检查

<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">设备清单：

<*n style="font-family:宋体; font-size:14px">■<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">温湿度看板设备<*n style="font-family:宋体; font-size:14px">1<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">台

<*n style="font-family:宋体; font-size:14px">■<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">产品合格证、保修卡等

<*n style="font-family:宋体; font-size:14px">■<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">安装螺丝<*n style="font-family:宋体; font-size:14px">1<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">包

<*n style="font-family:宋体; font-size:14px">■<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">两芯防水对插线一根（带继电器看板型两根）

<*n style="font-family:宋体; font-size:19px">3.2 <*n style="font-family:宋体; font-size:19px"><*n style="font-family:宋体">安装方式

<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">可悬挂或者壁挂安装，安装孔尺寸如下<*n style="font-family:宋体; font-size:14px"> <*n style="font-family:宋体; font-size:14px">(<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">单位：<*n style="font-family:宋体; font-size:14px">mm)<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">：

<*n style="font-family:宋体; font-size:14px">       

<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">若选用葫芦孔安装，需先在墙体或其它固定平面打孔，然后安装膨胀塞和螺丝，后将温湿度看板挂到螺丝处即可。

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<*n style="font-family:宋体; font-size:19px">3.3 <*n style="font-family:宋体; font-size:19px"><*n style="font-family:宋体">接线

<*n style="font-family:宋体; font-size:14px">485 <*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">信号线接线时注意<*n style="font-family:宋体; font-size:14px"> A/B <*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">两条线不能接反，总线上多台设备间地址不能冲突。

<*n style="font-family:宋体; font-size:21px">4<*n style="font-family:"Times New Roman"; font-size:21px">. <*n style="font-family:宋体; font-size:21px"><*n style="font-family:宋体">配置软件安装及使用<*n style="font-family:宋体; font-size:21px">    

<*n style="font-family:宋体; font-size:19px">4<*n style="font-family:"Times New Roman"; font-size:19px">.1<*n style="font-family:宋体; font-size:19px"> <*n style="font-family:宋体; font-size:19px"><*n style="font-family:宋体">软件选择

<*n style="font-family:宋体; font-size:14px">    <*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">打开资料包，选择<*n style="font-family:宋体; font-size:14px">“<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">调试软件<*n style="font-family:宋体; font-size:14px">”<*n style="font-family:"Times New Roman"">---<*n style="font-family:宋体">“<*n style="font-family:"Times New Roman"">485<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">参数配置软件<*n style="font-family:宋体; font-size:14px">”<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">，找到<*n style="font-family:宋体; font-size:14px">打开即可。

<*n style="font-family:"Times New Roman"; font-size:19px">4.2<*n style="font-family:宋体; font-size:19px"> <*n style="font-family:宋体; font-size:19px"><*n style="font-family:宋体">参数设置

<*n style="font-family:宋体">①、<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">选择正确的<*n style="font-family:宋体; font-size:14px">COM<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">口（<*n style="font-family:宋体; font-size:14px">“<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">我的电脑<*n style="font-family:宋体; font-size:14px">—<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">属性<*n style="font-family:宋体; font-size:14px">—<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">设备管理器<*n style="font-family:宋体; font-size:14px">—<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">端口<*n style="font-family:宋体; font-size:14px">”<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">里面查看<*n style="font-family:"Times New Roman"; font-size:14px">COM<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">端口），下图列举出几种不同的<*n style="font-family:宋体; font-size:14px">485<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">转换器的驱动名称。

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<*n style="font-family:宋体">②、<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">单独只接一台设备并上电，点击软件的测试波特率，软件会测试出当前设备的波特率以及地址，默认波特率为<*n style="font-family:宋体; font-size:14px">4800bit/s,<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">默认地址为<*n style="font-family:宋体; font-size:14px">0x01<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">。

<*n style="font-family:宋体">③、<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">根据使用需要修改地址以及波特率，同时可查询设备的当前功能状态。

<*n style="font-family:宋体">④、<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">如果测试不成功，请重新检查设备接线及<*n style="font-family:"Times New Roman"; font-size:14px">485<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">驱动安装情况。

<*n style="font-family:宋体; font-size:21px">5. <*n style="font-family:宋体">常见问题及解决办法

<*n style="font-family:宋体; font-size:19px">5.1 <*n style="font-family:宋体">设备无法连接到<*n style="font-family:"Times New Roman"">PLC<*n style="font-family:宋体">或电脑

<*n style="font-family:宋体; font-size:14px"><*n style="font-family:宋体">可能的原因：

<*n style="font-family:宋体; font-size:14px">  1)<*n style="font-family:宋体">电脑有多个<*n style="font-family:"Times New Roman"">COM<*n style="font-family:宋体">口，选择的口不正确。

<*n style="font-family:宋体; font-size:14px">  2)<*n style="font-family:宋体">设备地址错误，或者存在地址重复的设备（出厂默认全部为<*n style="font-family:"Times New Roman"">1<*n style="font-family:宋体">）。

<*n style="font-family:宋体; font-size:14px">  3)<*n style="font-family:宋体">波特率，校验方式，数据位，停止位错误。

<*n style="font-family:宋体; font-size:14px">  4)<*n style="font-family:宋体">主机轮询间隔和等待应答时间太短，需要都设置在<*n style="font-family:"Times New Roman"">200ms<*n style="font-family:宋体">以上。

<*n style="font-family:宋体; font-size:14px">  5)485<*n style="font-family:宋体">总线有断开，或者<*n style="font-family:"Times New Roman"">A<*n style="font-family:宋体">、<*n style="font-family:"Times New Roman"">B<*n style="font-family:宋体">线接反。

<*n style="font-family:宋体; font-size:14px">  6)<*n style="font-family:宋体">设备数量过多或布线太长，应就近供电，加<*n style="font-family:"Times New Roman"">485<*n style="font-family:宋体">增强器，同时增加<*n style="font-family:"Times New Roman"">120<*n style="font-family:宋体">Ω终端电阻。

<*n style="font-family:宋体; font-size:14px">  7)USB<*n style="font-family:宋体">转<*n style="font-family:"Times New Roman"">485<*n style="font-family:宋体">驱动未安装或者损坏。

<*n style="font-family:宋体; font-size:14px">  8)<*n style="font-family:宋体">设备损坏。